Purina ONE
Purina ONE High Protein, Natural Senior Dry Cat Food, Indoor Advantage Senior+ - 16 lb. Bag
16 lb package
Cost per lb
$2.29
Shelf total $36.68
3mo: +0%|6mo: ↑ 0% (Rising)
Senior Cat Food Price Comparison
Compare senior cat food listings with the Senior life-stage filter selected, then sort by unit price to find better value formulas for aging cats.
As an Amazon Associate I earn from qualifying purchases. Learn more
Why This Filter Matters
Cats can be considered mature or senior for a long stretch of life, often from age 7 through 17+. Senior formulas may focus on easier digestion, controlled calories, kidney-aware mineral balance, and joint or mobility support, making unit-price comparison especially useful for long-term feeding.
Best For
Best for mature cats around 7+ and senior cats around 11+, especially households comparing wet and dry foods for hydration, weight management, and daily maintenance. Use veterinary guidance for kidney, urinary, or prescription diets.
Mature 7+ vs Senior 11+
Many brands use Mature 7+ for early senior maintenance and Senior 11+ for older cats with changing calorie, hydration, and mobility needs. This page keeps both senior-intent searches in one price-comparison view.
Shop by Need
Related pages
Brand
Lowest In 90 Days
Purina ONE
Purina ONE High Protein, Natural Senior Dry Cat Food, Indoor Advantage Senior+ - 7 Lb. Bag
7 lb package
Cost per lb
$2.57
Shelf total $17.98
3mo: +0%|6mo: ↑ 0% (Rising)
Purina ONE
Purina ONE High Protein, Natural Senior Dry Cat Food, Indoor Advantage Senior+ - 3.5 lb. Bag
3.5 lb package
Cost per lb
$2.94
Shelf total $10.28
$9.27
$10.28
3mo: +0%|6mo: ↑ 0% (Rising)
Lowest In 90 Days
Purina Pro Plan
Purina Pro Plan Senior Cat Food Dry 7+ Complete Essentials Chicken and Rice Formula 14 Pound (Pack of 1)
14 lb package
Cost per lb
$3.82
Shelf total $53.48
3mo: +0%|6mo: ↑ 0% (Rising)
Lowest In 90 Days
Purina Pro Plan
Purina Pro Plan Senior Cat Food Dry 7+ Complete Essentials Chicken and Rice Formula - 7 lb. Bag
7 lb package
Cost per lb
$3.87
Shelf total $27.08
3mo: +0%|6mo: ↑ 0% (Rising)
Lowest In 90 Days
Purina Pro Plan
Purina Pro Plan Sensitive Skin and Stomach Senior Cat Food Salmon and Rice Formula - 7 lb.
7 lb package
Cost per lb
$4.01
Shelf total $28.08
3mo: +0%|6mo: ↑ 0% (Rising)
Lowest In 90 Days
Purina Pro Plan
Purina Pro Plan Adult 7 Plus Indoor Chicken and Rice Formula High Protein Cat Food - 7 lb. Bag
7 lb package
Cost per lb
$4.01
Shelf total $28.08
3mo: +0%|6mo: ↑ 0% (Rising)
Lowest In 90 Days
Purina Pro Plan
Purina Pro Plan Senior Cat Food Dry 7+ Complete Essentials Chicken and Rice Formula - 3.5 lb. Bag
3.5 lb package
Cost per lb
$4.82
Shelf total $16.88
3mo: +0%|6mo: ↑ 0% (Rising)
Lowest In 90 Days
Purina Pro Plan
Purina Pro Plan Sensitive Skin and Stomach Senior Cat Food Salmon and Rice Formula - 3.5 lb.
3.5 lb package
Cost per lb
$4.82
Shelf total $16.88
3mo: +0%|6mo: ↑ 0% (Rising)
Lowest In 90 Days
Purina Pro Plan
Purina Pro Plan Adult 7 Plus Indoor Chicken and Rice Formula High Protein Cat Food - 3.5 lb. Bag
3.5 lb package
Cost per lb
$4.82
Shelf total $16.88
3mo: +0%|6mo: ↑ 0% (Rising)
Lowest In 90 Days
Purina Pro Plan
Purina Pro Plan AdvantEDGE Senior Support Plus Adult 7 Plus Chicken and Rice Formula Dry Cat Food - 12 lb Bag
12 lb package
Cost per lb
$5.42
Shelf total $64.98
$64.98
$71.24
3mo: -1%|6mo: ↓ 1% (Cooling)
Lowest In 90 Days
Royal Canin
Royal Canin Feline Health Nutrition Aging 11+ Dry Cat Food for Seniors, Kibble Rich in Energy for Cats Over 11 Years, Supports Optimal Health & Vitality, 6 lb Bag
6 lb package
Cost per lb
$6.17
Shelf total $36.99
$36.99
$37.99
3mo: -0%|6mo: ↓ 0% (Cooling)
Lowest In 90 Days
Purina Pro Plan
Purina Pro Plan AdvantEDGE Senior Support Plus Adult 7 Plus Chicken and Rice Formula Dry Cat Food - 5 lb. Bag
5 lb package
Cost per lb
$6.60
Shelf total $32.98
3mo: +0%|6mo: ↓ 8% (Cooling)
Lowest In 90 Days
Purina Pro Plan
Purina Pro Plan AdvantEDGE Senior Support Plus Adult 7 Plus Chicken and Rice Formula Dry Cat Food - 3 lb. Bag
3 lb package
Cost per lb
$6.66
Shelf total $19.98
3mo: +0%|6mo: ↓ 12% (Cooling)
Lowest In 90 Days
Royal Canin
Royal Canin Feline Health Nutrition Indoor 7+ Mature Dry Cat Food, 5.5 lb Bag
5.5 lb package
Cost per lb
$6.73
Shelf total $36.99
3mo: +0%|6mo: ↑ 0% (Rising)
Lowest In 90 Days
Purina Pro Plan
Purina Pro Plan LiveClear Senior Cat Food 7+ Cat Allergen Reducer Prime Plus Chicken and Rice Formula - 5.5 lb. Bag
5.5 lb package
Cost per lb
$7.20
Shelf total $39.58
3mo: +0%|6mo: ↑ 0% (Rising)
Lowest In 90 Days
Purina Pro Plan
Purina Pro Plan LiveClear Senior Cat Food 7+ Cat Allergen Reducer Prime Plus Chicken and Rice Formula - 3.2 lb. Bag
3.2 lb package
Cost per lb
$7.34
Shelf total $23.48
3mo: +0%|6mo: ↑ 0% (Rising)
Lowest In 90 Days
Royal Canin
Royal Canin Feline Health Nutrition Indoor 7+ Mature Dry Cat Food, 2.5 lb Bag
2.5 lb package
Cost per lb
$9.60
Shelf total $23.99
3mo: +0%|6mo: ↑ 0% (Rising)
Purina Pro Plan
Purina Pro Plan Vital Systems Salmon and Rice Formula Senior Cat Food Dry 4-in-1 Formula - 5 lb. Bag
5 lb package
Cost per lb
$13.60
Shelf total $67.99
$39.58
$68.69
3mo: +7%|6mo: ↑ 34% (Rising)
Prices accurate as of Jun 26, 2026. Prices shown exclude potential Clip-and-Save coupons on Amazon.